22397843087 has 2 divisors, whose sum is σ = 22397843088. Its totient is φ = 22397843086.

The previous prime is 22397843059. The next prime is 22397843099. The reversal of 22397843087 is 78034879322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22397843087 - 2⁶ = 22397843023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22397843047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11198921543 + 11198921544.

It is an arithmetic number, because the mean of its divisors is an integer number (11198921544).

Almost surely, 2^22397843087 is an apocalyptic number.

22397843087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22397843087 is an equidigital number, since it uses as much as digits as its factorization.

22397843087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 22397843087 in words is "twenty-two billion, three hundred ninety-seven million, eight hundred forty-three thousand, eighty-seven".